988262330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{821}}^1$

素因数の和:1223

約数の個数: 64

約数和(自身を含む): 2011309056

約数和(自身を除く): 1023046726

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 353, 682, 706, 821, 1642, 1705, 1765, 3410, 3530, 3883, 4105, 7766, 8210, 9031, 10943, 18062, 19415, 21886, 25451, 38830, 45155, 50902, 54715, 90310, 109430, 120373, 127255, 240746, 254510, 279961, 289813, 559922, 579626, 601865, 1203730, 1399805, 1449065, 2799610, 2898130, 3187943, 6375886, 8984203, 15939715, 17968406, 31879430, 44921015, 89842030, 98826233, 197652466, 494131165, 988262330]

約数ペア:

[(1, 988262330), (2, 494131165), (5, 197652466), (10, 98826233), (11, 89842030), (22, 44921015), (31, 31879430), (55, 17968406), (62, 15939715), (110, 8984203), (155, 6375886), (310, 3187943), (341, 2898130), (353, 2799610), (682, 1449065), (706, 1399805), (821, 1203730), (1642, 601865), (1705, 579626), (1765, 559922), (3410, 289813), (3530, 279961), (3883, 254510), (4105, 240746), (7766, 127255), (8210, 120373), (9031, 109430), (10943, 90310), (18062, 54715), (19415, 50902), (21886, 45155), (25451, 38830)]